More Evidence of Massive First Generation Stars
A few days ago I wrote about the search for Population III stars. These stars were the first stars of…
A Day on Earth Used to Only Be 19 Hours
A new study has revealed that for 1 billions years, a day on Earth lasted for about 19 hours.
An Element Critical for (Earth) Life is Spewing out of Enceladus
We really need to get back to Enceladus. Not to send people necessarily, although that would be nice. But, we…
A White Dwarf is Starting to Crystallize into Diamond
White dwarfs are the stellar remnants of stars like our Sun. They're strange objects, and astrophysicists think their cores can…
Curiosity Takes One Final Postcard Image of a Picturesque Valley Before Moving on to its Next Destination
The Mars rover Curiosity continues to make its way up the slopes of Mount Sharp on Mars. On April 8th,…
Without Ozone, the Earth Might Get a Lot Colder
The evolution of Earth's climate contains many components. And new research has shown just how critical the ozone layer is…
Astronauts Will Be Tracking Dust Into the Lunar Gateway. Is This a Problem?
A NASA-supported study examines how lunar regolith could impact the Gateway and other aspects of NASA's Artemis Program.
China is Trying to Stop its Boosters From Randomly Crashing Into Villages
China has developed a new parachute system that they hope will help prevent uncontrolled reentries and crashes.
Meet Annie Jump Cannon, the “Harvard Computer” that Brought Order Out of Chaos
In the early 20th century our understanding of stars was a complete and total disaster. It took the genius of…
Astronomers Have Figured Out Clever Tricks to Reduce the Impact of Satellite Trails
A clear sky is a prerequisite for most astronomers imaging the cosmos. However, with the proliferation of satellite trails, astronomers…